Miles between Boulder, CO and Ann Arbor, MI

There are
1,242 mi
from Boulder, CO to Ann Arbor, MI

That's the driving distance. It would take 22 hours 6 mins to go from Boulder, Colorado to Ann Arbor, Michigan.

The flight distance (direct flight from Boulder, CO to Ann Arbor, MI) is 1,127.87 mi.

1,242 mi = 1.61 kms